republicans have to come into this and put something on the table. >> cornel belcher, mary matalin, thanks very much. let us know what you think. you can follow us on twitter, at ac360. >>> new signs in syria that recent gains scored by rebels may be triggering a brutal response from assad's forces. meantime, word that the united states is weighing new strategies for getting involved in the conflict. a lot of late-breaking developments to cover. we will get a report from arwa damon, one of the few reporters inside syria, right now. >>> in syria there's a sense of growing urgency and anxiety. we will get to why in a moment. first, i would like to show you some images that are quite frankly very disturbing and we want to warn you, extremely graphic. but above all, they are a reminder of why we care so much about this story. why we have been devoting so much time to covering it. we think it's important for the rest of the world to see what's happening to the syrian people. according to the opposition, a government air strike hit a residential area in south-central aleppo, killing 20 people an